词汇	net reprodution rate
释义	net reprodution rate 净生殖
随便看	assistant vanishing point assistant veterinarian Assistant,Veterinary assistant vice Assistant Vice Chief of Staff Assistant Vice-Chief of Staff Army Assistant Vice-President assistant vice -president Assistant Vice-President of Human Resources assistant village cadres Assistant Visit Officer assistant warden Assistant Waste Management Development Officer Assistant Weapons Controller Assistant Weapons Control officer Assistant Welfare Officer assistant whip assistant winding motion Assistant Wing Commander assistant work assistant workroom assistant workshop Assistant: You got two more twos? assist a physician assist a project